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37d13ae6 | 1 | // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* powerpc-ibm-aix* } } |
4415f7a5 PC |
2 | // { dg-options " -std=gnu++11 -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } } |
3 | // { dg-options " -std=gnu++11 -pthreads" { target *-*-solaris* } } | |
37d13ae6 | 4 | // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } } |
5262c72a JW |
5 | // { dg-require-cstdint "" } |
6 | // { dg-require-gthreads "" } | |
7 | // { dg-require-atomic-builtins "" } | |
8 | ||
818ab71a | 9 | // Copyright (C) 2010-2016 Free Software Foundation, Inc. |
5262c72a JW |
10 | // |
11 | // This file is part of the GNU ISO C++ Library. This library is free | |
12 | // software; you can redistribute it and/or modify it under the | |
13 | // terms of the GNU General Public License as published by the | |
14 | // Free Software Foundation; either version 3, or (at your option) | |
15 | // any later version. | |
16 | ||
17 | // This library is distributed in the hope that it will be useful, | |
18 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | // GNU General Public License for more details. | |
21 | ||
22 | // You should have received a copy of the GNU General Public License along | |
23 | // with this library; see the file COPYING3. If not see | |
24 | // <http://www.gnu.org/licenses/>. | |
25 | ||
26 | // 30.6.6 Class template future [futures.unique_future] | |
27 | ||
28 | #include <future> | |
29 | #include <testsuite_hooks.h> | |
30 | ||
31 | // This test verifies behaviour which is encouraged by a non-normative note, | |
32 | // but not required. | |
33 | ||
34 | void | |
35 | test01() | |
36 | { | |
37 | bool test __attribute__((unused)) = true; | |
38 | ||
39 | std::promise<int> p; | |
40 | std::future<int> f = p.get_future(); | |
41 | p.set_value(0); | |
42 | f.get(); | |
43 | try | |
44 | { | |
45 | f.get(); | |
46 | VERIFY( false ); | |
47 | } | |
48 | catch (std::future_error& e) | |
49 | { | |
50 | VERIFY( e.code() == std::future_errc::no_state ); | |
51 | } | |
52 | } | |
53 | ||
54 | void | |
55 | test02() | |
56 | { | |
57 | bool test __attribute__((unused)) = true; | |
58 | ||
59 | std::promise<int&> p; | |
60 | std::future<int&> f = p.get_future(); | |
61 | int i = 0; | |
62 | p.set_value(i); | |
63 | f.get(); | |
64 | try | |
65 | { | |
66 | f.get(); | |
67 | VERIFY( false ); | |
68 | } | |
69 | catch (std::future_error& e) | |
70 | { | |
71 | VERIFY( e.code() == std::future_errc::no_state ); | |
72 | } | |
73 | } | |
74 | ||
75 | void | |
76 | test03() | |
77 | { | |
78 | bool test __attribute__((unused)) = true; | |
79 | ||
80 | std::promise<void> p; | |
81 | std::future<void> f = p.get_future(); | |
82 | p.set_value(); | |
83 | f.get(); | |
84 | try | |
85 | { | |
86 | f.get(); | |
87 | VERIFY( false ); | |
88 | } | |
89 | catch (std::future_error& e) | |
90 | { | |
91 | VERIFY( e.code() == std::future_errc::no_state ); | |
92 | } | |
93 | } | |
94 | ||
95 | int main() | |
96 | { | |
97 | test01(); | |
98 | test02(); | |
99 | test03(); | |
100 | ||
101 | return 0; | |
102 | } | |
103 |